Application of a poststack processing method that separates signal from noise, while enhancing only the high frequency “earth signal,” helped identify new well locations in thinly bedded reservoirs that would not have otherwise been drilled. More importantly, wells drilled after application of this method added significant new reserves to a 27-year-old, offshore Gulf of Mexico field and nearly quadrupled daily production rates.

Numerous attempts have been made to image thin beds (<1/4 of dominant wavelength) by extracting higher frequencies from poststack seismic. Two common goals are: (1) define pinch outs of producing zones and (2) resolve internal bed geometries (lithofacies)....

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